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Needle In Carbs


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i've got a 2003 banshee with fmf gold series and k&n filter , inline coolers , so on... everytime i ride even with the right jetting my bike seems to heasitate before hitting powerband it does almost the same thing when the engine is cold and you hit the gas it has to work up to the power , it's doing the same thing but the motor is not cold it's doing it thoughout the ride . i think the needles in the carbs might need to be brought up one level , let me know if i'm wrong or right and any info will help . thanxs

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You will need to move the little clip towards the blunt end of the needle. You are probably running rich in the midrange causing the hesitation. What needles are you using?

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alittle hesatation and mid- right before power band is the worse but with full throtle and the rest of the way it's perfect, just mid and  right before it ,after that when the bike is flying it's fine

sounds like you do need to richen the needle a little. move the needle one clip away from the blunt end. that will richen the mid mixture just a little and help the hesitation. when you add pipes that can be common, to need to richen the needles a little.

 

Here's a chart to help you with the jetting circuits.

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ya that chart explains whats happening , it runs like it's cold when it's in that range , and ya i can see it not getting enough fuel when you are in that kind of throtle so if i move the clip more to the point end then the needle will be out of the main jet alittle earlier letting more fuel in , but i can also see the clip more to the blunt end becuase it is to much fuel for that range . but i think i should move it to the ponity end first and give it a try

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